20837724

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{733}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 51297792

約数和(自身を除く): 30460068

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 103, 138, 206, 276, 309, 412, 618, 733, 1236, 1466, 2199, 2369, 2932, 4398, 4738, 7107, 8796, 9476, 14214, 16859, 28428, 33718, 50577, 67436, 75499, 101154, 150998, 202308, 226497, 301996, 452994, 905988, 1736477, 3472954, 5209431, 6945908, 10418862, 20837724]

約数ペア:

[(1, 20837724), (2, 10418862), (3, 6945908), (4, 5209431), (6, 3472954), (12, 1736477), (23, 905988), (46, 452994), (69, 301996), (92, 226497), (103, 202308), (138, 150998), (206, 101154), (276, 75499), (309, 67436), (412, 50577), (618, 33718), (733, 28428), (1236, 16859), (1466, 14214), (2199, 9476), (2369, 8796), (2932, 7107), (4398, 4738)]